HEI & Blaster 2

Rice Nuker said
It looks like the Blaster II unit can run at full 12v. It has .7 ohms with out the external ballast hooked up.

On electronic ignition it can. Points needs the ballast. I have always argued the fact that the ballast was to protect the coil and have been told I'm wrong. The ballast was originally used to help points last longer, not protect the coil.